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3485.00 CTS GOLD&BLUE LABRADORITE SPECIMEN -MADAGASCAR [STS2069]

SKU
Dimenzije (mm)
120.000 x 85.000 x 52.000mm
Težina (cts)
3485.000
Tip
Specimen
Boje

LABRADORITE PURPLE
Mined at Fort Dauphin Madagascar -Africa 
A  gold&blue tone  in this sspecimen is very unique. This specimen does have a play of other colours. 
well polished.

Labradorite  a feldspar mineral, is an intermediate to calcic member of the plagioclase series.. The streak is white, like most silicates. The refractive index ranges from 1.555 to 1.575. Twinning is common. As with all plagioclase members the crystal system is triclinic and three directions of cleavage are present two of which form nearly right angle prisms. It occurs as clear, white to gray, blocky to lath shaped grains in common mafic igneous rocks such as basalt and gabbro, as well as in anorthosites.

The iridescence is the result of light refracting within lamellar intergrowths resulting from phase exsolution on cooling in the Boggild miscibility gap.

Gemstone varieties of labradorite exhibiting a high degree of iridescence are called spectrolite; moonstone and sunstone are also commonly used terms, and high-quality samples with good iridescent qualities are desired for jewelry.

 


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sedagems
Hi Welcome to the Sedagems store, Run by Paul Sedawie and specializing in Australian sapphires and gems stones he has collected on his many buying trips world wide. All stock has a money back guarantee as your continued business is our business.
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  • royrock
    royrock
    Pozitivan

    Beautiful agate piece , and as always fast efficient service from Sedagems

Revizija

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Detalji dostave

dostava:
$16.00 21 days putem Registered Shipping
Brodovi iz:
Australia

Načini plačanja

  • paypal
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Ovaj prodavač dodaje 10.00% porez na transakcije u Australia.

Pregled

Vrsta unosa : Standard
Identifikacijski broj proizvoda : 1363779
Počinje : 13th November 2024 03:36 pm PST
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